Usage of chemical pesticides and fertilisers causes ________ pollution.
- AAir pollution
- ✓Water pollution
- CNoise pollution
- DNone of the above
Answer: B.
View full solution →Question types
T3 CH4 Our Environment question types
63 questions across 8 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
63
Questions
8
Question groups
5
Question types
01
MCQ
10 Q→02Fill in the blanks.
5 Q→03TRUE & FALSE
10 Q→04Answer In One word.
14 Q→05Match The Following
2 Q→06[ 2 Marks Questions ]
11 Q→07[ 5 Marks Questions ]
7 Q→08[ 3 Marks Questions ]
4 Q→Sample Questions
T3 CH4 Our Environment questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
It is an undesirable change that occurs in air and water
- ARecycling
- BReuse
- ✓Pollution
- DReduce
Answer: C.
View full solution →It is a biodegradable waste.
- APlastic
- ✓Coconut Shell
- CGlass
- DAluminium
Answer: B.
View full solution →Producers are ________.
- AAnimals
- BBirds
- ✓Plants
- DSnakes
Answer: C.
View full solution →Identify the fresh water ecosystem.
- APond
- BLake
- CRiver
- ✓All of them
Answer: D.
View full solution →The 3R’s are Reduce, ______, and Recycle.
Water pollution can spread ________ diseases in man.
_______ is the process of converting waste materials into new materials.
Temperature, light and wind are ________ factors.
Primary consumers that eat plants are called _______.
In schools, waste management rules say that we should separate waste into two categories.
Excessive use of pesticides leads to air pollution.
Human and animal wastes are examples of non-biodegradable waste.
Bacteria and fungi are called decomposers.
The Pacific ocean is an example of an marine ecosystem.
What is biodegradable waste?
What are the pollutions caused by the objects given below?
- Loud Speaker
- Plastic
What are Pollutants?
Give one example of a food chain in an aquatic ecosystem?
Write any two things that can be recycled.
Match the following
| 1. | Biotic factor | Terrestrial Ecosystem |
| 2. | Sewage | Land pollution |
| 3. | Fertilizers | Air pollution |
| 4. | Desert | Water Pollution |
| 5. | Smoke | Animals |
What happens to the dead organisms of animals and plants?
What are the two major types of solid wastes?
What do plants need in order to photosynthesis?
What are called producers?
Give two examples of artificial terrestrial ecosystems?
Are all types of clothes biodegradable?
Are animal bones biodegradable?
Differentiate the artificial ecosystem and natural ecosystem.
How do we reduce noise pollution?
Write a short note on noise pollution.
Give two examples of how you can avoid or reduce waste?
Write the importance of the food chain.
Explain the link between waste and dangerous diseases like dengue and malaria?
What would happen if an organism is removed from the food chain?
Generate a T3 CH4 Our Environment paper free
Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.